79816580

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{28711}}^1$

素因数の和:28859

約数の個数: 24

約数和(自身を含む): 168826560

約数和(自身を除く): 89009980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 28711, 57422, 114844, 143555, 287110, 574220, 3990829, 7981658, 15963316, 19954145, 39908290, 79816580]

約数ペア:

[(1, 79816580), (2, 39908290), (4, 19954145), (5, 15963316), (10, 7981658), (20, 3990829), (139, 574220), (278, 287110), (556, 143555), (695, 114844), (1390, 57422), (2780, 28711)]